MXF is a “container” or “wrapper” format which supports a number of different streams of coded “essence”, encoded in any of a variety of video and audio compression formats.Therefore, when it says that Davinci Resolve supports MXF, it doesn’t mean that Davinci Resolve support all MXF files. That’s why many people can’t import MXF files from any camcorder to Davinci Resolve although they saw MXF extension in supported video list.

To edit MXF in Davinci Resolve, you have to make sure your MXF file is one of the Davinci Resolve supported one.
In Davinci Resolve supported file format and codec page, they list these MXF files that can be imported and edited in Davinci Resolve.

Best Tool to Convert MXF to Davinci Resolve a professional MXF video converter for Mac fully compatible with macOS Sierra that provides your requirements for preserving and mixing MXF multi-tracks/channels, converting MXF video files to Davinci Resolve QuickTime MOV, ProRes, MP4, H.265/HEVC. It also features multi-track MKV/MP4/MOV. Apart from multi-track preserving, MXF video converter for Mac can also mix multi tracks into one track. This feature help you mix the audios of interviewer, interviewee, surroundings, or editors/directors comments into one.

Moreover, the ‘Split’ function allows users to cut your MXF file into two pieces for Davinci Resolve using, based on a time duration or on size in MB. From the ‘Settings’ section, you can further configure the output preferences for audio and video properties so that the video exported more compatible with Davinci Resolve.

How to convert MXF to Davinci Resolve suitable ProRes?
Step 1: Load MXF files.
Click “Add” button to load MXF files or directly drag the footage to the program. You can check the “Merge” box to join several video files together. If you are a Windows user, you should use MXF video converter for Mac.
Step 2. Choose Apple ProRes – compatible with Davinci Resolve
Apple ProRes format is natively supported by Final Cut Pro but it is also supported by Davinci Resolve. Click the format bar to follow “Final Cut Pro” ＞ “Apple ProRes 422 (*.mov).” To ingest MXF files to ProRes for Davinci Resolve.
Actually, different Apple ProRes codec corresponds to different needs. Here you can refer to this article Differences among Apple ProRes codec.

2. If you interested in built-in editor, select one item to active the “Video Editor” functions, click the pencil like icon on the main interface to open the “Video Editor” Window, you can play and preview the original video and output effects. Also you can flip video, trim, add special effect, reset, and adjust volume.

Step 3: Start the conversion.
Go back to the main UI and click “Convert”button to start MXF to DaVinci Resolve best suitable ProRes 422 (*.mov) format conversion process.

After conversion, run Davinci Resolve on Mac and drag and drop to get the converted MXF media files on pool directly.